Exam Details

Subject Utilization Of Electrical Engineering
Paper
Exam / Course Diploma -VIEP-Electrical Engineering (DELVI)/Advanced Level Certificate Course In Electrical Engineering (ACELVI)
Department School of Engineering & Technology (SOET)
Organization indira gandhi national open university
Position
Exam Date June, 2015
City, State new delhi,


Question Paper

1. In the following questions choose the most appropriate answer:

One of the following lamps is popular as linear load

Incandescent lamp

Fluorescent lamp

CFL

Neon lamp

The heat generated in arc welding is in the range of

1500°C -2500°C

2500°C -3500°C

3500°C -4500°C

4500°C and above

An open welding arc can be sustained at

2 volts

20 volts

200 volts

2000 volts

In traction system the following motor can be used:

Shunt motor

Series motor

Hysteresis motor

Synchronous motor

The most common electrical drives used in industry or factory are

DC motor drives

Synchronous motor drives

Universal motors

Induction motors

For successful running of DC series motors, during starting

load torque cannot be very high

load torque cannot be medium

load torque can be zero

load torque cannot be zero

During refrigeration process, heat is released by the coolant during

Condensation

Evaporation

Sublimation

Solidification

Write about staircase switching. A staircase lamp is controlled by staircase switching from two floors. Draw a self-explanatory circuit diagram to illustrate. Explain the switching operation.

An electrician has to install 20, 100 W lamps sourced from the same energy meter. Draw a detailed single line diagram, starting from service connection up to the loads, showing clearly energy meter, circuit, sub-circuits and distribution of load. Comment on the selection of circuit and sub-circuits.

Discuss any two types of electrodes used in are welding.

Write down any seven electrode materials used for arc welding.

4. Explain briefly the following types of electrical drives:

Group Drive

Individual Drive

Multi-Motor Drive

5. Explain the working principle of arc furnaces and describe with the help of a sketch, the construction and working of anyone type of arc furnace.

What do you mean by "Electric traction" How are traction systems classified?

Explain how regenerative braking can be obtained in DC locomotive.

7. Draw the electric circuit of a refrigerator and explain its working. How can the temperature inside the refrigerator be adjusted?


Departments

  • Centre for Corporate Education, Training & Consultancy (CCETC)
  • Centre for Corporate Education, Training & Consultancy (CCETC)
  • National Centre for Disability Studies (NCDS)
  • School of Agriculture (SOA)
  • School of Computer and Information Sciences (SOCIS)
  • School of Continuing Education (SOCE)
  • School of Education (SOE)
  • School of Engineering & Technology (SOET)
  • School of Extension and Development Studies (SOEDS)
  • School of Foreign Languages (SOFL)
  • School of Gender Development Studies(SOGDS)
  • School of Health Science (SOHS)
  • School of Humanities (SOH)
  • School of Interdisciplinary and Trans-Disciplinary Studies (SOITDS)
  • School of Journalism and New Media Studies (SOJNMS)
  • School of Law (SOL)
  • School of Management Studies (SOMS)
  • School of Performing Arts and Visual Arts (SOPVA)
  • School of Performing Arts and Visual Arts(SOPVA)
  • School of Sciences (SOS)
  • School of Social Sciences (SOSS)
  • School of Social Work (SOSW)
  • School of Tourism & Hospitality Service Sectoral SOMS (SOTHSM)
  • School of Tourism &Hospitality Service Sectoral SOMS (SOTHSSM)
  • School of Translation Studies and Training (SOTST)
  • School of Vocational Education and Training (SOVET)
  • Staff Training & Research in Distance Education (STRIDE)

Subjects

  • Basics of Electrical Engineering
  • C - Programming
  • Computer Applications In P.S.
  • Control Systems
  • Digital Control System
  • Digital Control System Design
  • Dynamics System Simulation
  • Electrical Circuit Theory
  • Electrical Engineering Material
  • Electrical Installation and System
  • Electrical Machine Theory  II
  • Electrical Machines-I
  • Electrical Measurements And Instruments
  • Electrical Power Transmission and Distribution
  • Energy Audit
  • Flexible Ac Transmission System
  • Industrial Drives and Controls
  • Mechatronics
  • Power Generation System
  • Power Plant Economics And Centering
  • Power System Reliability
  • Principles of Computer Architecture
  • Special Electrical Machines
  • Switchgear And Protection
  • Utilization Of Electrical Engineering